<template>
  <div class="app-container">
    <h1>首页信息展示管理</h1>
    <!-- 搜索工作栏 -->
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="轮播图ID" prop="bannerId">
        <el-input
          v-model="queryParams.bannerId"
          placeholder="请输入轮播图ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="导航栏ID" prop="navId">
        <el-input
          v-model="queryParams.navId"
          placeholder="请输入导航栏ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="首页平铺ID" prop="tileId">
        <el-input
          v-model="queryParams.tileId"
          placeholder="请输入首页平铺ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="方案ID" prop="planId">
        <el-input
          v-model="queryParams.planId"
          placeholder="请输入方案ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="广告图片ID" prop="adpictureId">
        <el-input
          v-model="queryParams.adpictureId"
          placeholder="请输入广告图片ID"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 操作工具栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="openForm(undefined, false)"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          :loading="exportLoading"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="list"
      :stripe="true"
      :show-overflow-tooltip="true"
    >
      <el-table-column label="首页信息ID" align="center" prop="id" />
      <el-table-column label="轮播图ID" align="center" prop="bannerId" />
      <el-table-column label="导航栏ID" align="center" prop="navId" />
      <el-table-column label="首页平铺ID" align="center" prop="tileId" />
      <el-table-column label="方案ID" align="center" prop="planId" />
      <el-table-column label="广告图片ID" align="center" prop="adpictureId" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template v-slot="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="openForm(scope.row.id, true)"
            >修改</el-button
          >
          <!-- <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            >删除</el-button
          > -->
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNo"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
    <!-- 对话框(添加 / 修改) -->
    <HomepageForm ref="formRef" @success="getList" />
  </div>
</template>

<script>
import * as HomepageApi from "@/api/system/homepage";
import HomepageForm from "./HomepageForm.vue";
export default {
  name: "Homepage",
  components: {
    HomepageForm,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 首页信息列表
      list: [],
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 选中行
      currentRow: {},
      // 查询参数
      queryParams: {
        pageNo: 1,
        pageSize: 10,
        bannerId: null,
        navId: null,
        tileId: null,
        planId: null,
        adpictureId: null,
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询列表 */
    async getList() {
      try {
        this.loading = true;
        const res = await HomepageApi.getHomepagePage(this.queryParams);
        this.list = res.data.list;
        this.total = res.data.total;
      } finally {
        this.loading = false;
      }
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNo = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 添加/修改操作 */
    openForm(id, isEdit = false) {
      if (isEdit) {
        // 如果是修改操作，直接打开表单
        this.$refs["formRef"].open(id);
      } else {
        // 如果是新增操作，判断数据列表中是否已有一条数据
        if (this.list.length === 1) {
          // 如果已有一条数据，提示用户无法新增
          this.$modal.msgError("无法新增，已超出展示数量");
        } else {
          // 如果没有数据或数据数量小于1，允许新增
          this.$refs["formRef"].open(id);
        }
      }
    },
    /** 删除按钮操作 */
    // async handleDelete(row) {
    //   const id = row.id;
    //   await this.$modal.confirm(
    //     '是否确认删除首页信息编号为"' + id + '"的数据项?'
    //   );
    //   try {
    //     await HomepageApi.deleteHomepage(id);
    //     await this.getList();
    //     this.$modal.msgSuccess("删除成功");
    //   } catch {}
    // },
    /** 导出按钮操作 */
    async handleExport() {
      await this.$modal.confirm("是否确认导出所有首页信息数据项?");
      try {
        this.exportLoading = true;
        const data = await HomepageApi.exportHomepageExcel(this.queryParams);
        this.$download.excel(data, "首页信息.xls");
      } catch {
      } finally {
        this.exportLoading = false;
      }
    },
  },
};
</script>